The sum of all the external forces on a system of particles is zero. Which of the following must be true of the system? (A) The total mechanical energy is constant. (B) The total potential energy is constant. (c) The total kinetic energy is constant. (D) The total linear momentum is constant. (E) It is in static equilibrium.

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A: Given, m=5.40kg vi= 8.60m/s d= 3m θ= 30°

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A: (a) Write the formula for the potential energy of a mass m above height h from the ground.

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A: The work done is the change in the potential energy The distance change is h'=1.65 m-0.15 mh'=1.50 m

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A: Given data The force acted on the particle is given as F→=5.20 Ni^-1.90 Nj^+7.80 Nk^. The velocity…

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A: The free body diagram shows the forces exerted on the luge and its rider.

Q: The potential energy of an object is given by U(x) = 3 x^4 - 2 x^2 where U is in joules and x is in…

A: (a) The force acting on the object can be given as, Fx=dUxdx=ddx3x4-2x2=12x3-4x…

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